Wonderous, epic song from contemporary Prog band Big Big Train!
If you like (pre-punk era) Yes/Genesis, then i reckon this'll give you 23 minutes of truly satisifying aural pleasure. Haha!
It's the wasp's wotsits, i tell thee, the wasp's wotsits. :)
If you find it strokes your pleasures buttons, then have a search round the site for more free, downloadable gold nuggets of their music.